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authorJianyu Zhan <nasa4836@gmail.com>2014-04-26 15:40:28 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-05-27 14:33:17 -0700
commit26fc9cd200ec839e0b3095e05ae018f27314e7aa (patch)
tree26929ec0f651c6ddaac58cd8061f4a9644440a86 /include/linux/kernfs.h
parent9f70a40128a4ddceffb6d21dd490f6ab4bc34c97 (diff)
downloadop-kernel-dev-26fc9cd200ec839e0b3095e05ae018f27314e7aa.zip
op-kernel-dev-26fc9cd200ec839e0b3095e05ae018f27314e7aa.tar.gz
kernfs: move the last knowledge of sysfs out from kernfs
There is still one residue of sysfs remaining: the sb_magic SYSFS_MAGIC. However this should be kernfs user specific, so this patch moves it out. Kerrnfs user should specify their magic number while mouting. Signed-off-by: Jianyu Zhan <nasa4836@gmail.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/kernfs.h')
-rw-r--r--include/linux/kernfs.h13
1 files changed, 8 insertions, 5 deletions
diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h
index c841688..17aa1cc 100644
--- a/include/linux/kernfs.h
+++ b/include/linux/kernfs.h
@@ -301,8 +301,8 @@ void kernfs_notify(struct kernfs_node *kn);
const void *kernfs_super_ns(struct super_block *sb);
struct dentry *kernfs_mount_ns(struct file_system_type *fs_type, int flags,
- struct kernfs_root *root, bool *new_sb_created,
- const void *ns);
+ struct kernfs_root *root, unsigned long magic,
+ bool *new_sb_created, const void *ns);
void kernfs_kill_sb(struct super_block *sb);
void kernfs_init(void);
@@ -395,7 +395,8 @@ static inline const void *kernfs_super_ns(struct super_block *sb)
static inline struct dentry *
kernfs_mount_ns(struct file_system_type *fs_type, int flags,
- struct kernfs_root *root, bool *new_sb_created, const void *ns)
+ struct kernfs_root *root, unsigned long magic,
+ bool *new_sb_created, const void *ns)
{ return ERR_PTR(-ENOSYS); }
static inline void kernfs_kill_sb(struct super_block *sb) { }
@@ -453,9 +454,11 @@ static inline int kernfs_rename(struct kernfs_node *kn,
static inline struct dentry *
kernfs_mount(struct file_system_type *fs_type, int flags,
- struct kernfs_root *root, bool *new_sb_created)
+ struct kernfs_root *root, unsigned long magic,
+ bool *new_sb_created)
{
- return kernfs_mount_ns(fs_type, flags, root, new_sb_created, NULL);
+ return kernfs_mount_ns(fs_type, flags, root,
+ magic, new_sb_created, NULL);
}
#endif /* __LINUX_KERNFS_H */
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